I'm an old retiree from th Air Farce, I've managed to collect all, as far as I know, the available replica Cavalry models. I've got Uberti, ASM, USFA Nettleton, and the Pietta. I do have a cut down Colt Artillery model, but it has been 'bubba'd' and is now serial number 1. I replaced the barrel with a 5 1\2" , why they cut the barrel shorter I'll never know. The six digit frame and both the five digit backstrap and triggerguard had all the numbers scratched off except for the first digit of '1'. I'll try to post some pics of it tomorrow.